Pick an arbitrary project, find a bug and show them how easily is to break the cooperation of these services because of the lack of testing. It might take you a little bit of time to write one or two examples but they could be a good use case to present as your argument for automated testing.
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What if you reverse the approach?
Pick an arbitrary project, find a bug and show them how easily is to break the cooperation of these services because of the lack of testing. It might take you a little bit of time to write one or two examples but they could be a good use case to present as your argument for automated testing.